Noun
(chemistry) The process of cyclizing, of becoming or causing to become aromatic.
(chemistry) Any reaction that results in the formation of a ring. ring closure
Source: en.wiktionary.orgBönnemann cyclization Bönnemann cyclization The trimerization of a part of a nitrile molecule and two parts of acetylene into pyridine is called Bönnemann cyclization. Source: Internet
It involves an aldol condensation of o-nitrobenzaldehyde with acetone, followed by cyclization and oxidative dimerization to indigo. Source: Internet
Synthesis The compound was originally prepared by Bernthsen in 1883 via the reaction of diphenylamine with sulfur, but more recent syntheses rely on the cyclization of 2-substituted diphenyl sulfides. Source: Internet
It lacks the NH 2 group because of the cyclization of the side-chain and is known as an imino acid ; it falls under the category of special structured amino acids. Source: Internet
In Bergman cyclization the reactants are an enyne plus a hydrogen donor. Source: Internet
Unsaturated fatty acids can serve as the olefinic substrates for the ene reaction and unsaturated amino acids like histidine can be the reactant for the Diels–Alder cyclization. Source: Internet